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<!DOCTYPE html>
<!-- zh-CN  en -->
<html lang="zh-CN">
  <head>
      <!-- 编码方式 utf-8 -->
    <meta charset="utf-8">
    <!-- 使用最新的ie标准 或者 模式 来渲染我们的页面 -->
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <!-- 适配 移动端  -->
    <meta name="viewport" content="width=device-width, initial-scale=1,maximum-scale=1.0,minimum-scale=1.0,user-scalable=no">
    <!-- 上述3个meta标签*必须*放在最前面，任何其他内容都*必须*跟随其后！ -->
    <title>模板</title>

    <!-- Bootstrap -->
    <!-- 加载 bootstrap 核心样式表 -->
    <link href="./lib/bootstrap/css/bootstrap.min.css" rel="stylesheet">

    <!-- HTML5 shim 和 Respond.js 是为了让 IE8 支持 HTML5 元素和媒体查询（media queries）功能 -->
    <!-- 警告：通过 file:// 协议（就是直接将 html 页面拖拽到浏览器中）访问页面时 Respond.js 不起作用 -->
    <!-- lt less then -->
    <!--[if lt IE 9]>
      <script src="./lib/html5shiv/html5shiv.min.js"></script>
      <script src="./lib/respond/respond.min.js"></script>
    <![endif]-->
  </head>
  <style>
    .my-heart{
      font-size: 50px;
      color: red;
    }
    .my-plane{
      font-size: 60px;
      color: orange;
      font-weight: 700;
    }
  </style>
  <body>
    <nav class="navbar navbar-default">
      <div class="container">
        <!-- Brand and toggle get grouped for better mobile display -->
        <div class="navbar-header">
          <button type="button" class="navbar-toggle collapsed" data-toggle="collapse" data-target="#bs-example-navbar-collapse-1" aria-expanded="false">
            <span class="sr-only">Toggle navigation</span>
            <span class="icon-bar"></span>
            <span class="icon-bar"></span>
            <span class="icon-bar"></span>
          </button>
          <a class="navbar-brand" href="#">Brand</a>
        </div>
    
        <!-- Collect the nav links, forms, and other content for toggling -->
        <div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
          <ul class="nav navbar-nav">
            <li class="active"><a href="#">Link <span class="sr-only">(current)</span></a></li>
            <li><a href="#">Link</a></li>
            <li class="dropdown">
              <a href="#" class="dropdown-toggle" data-toggle="dropdown" role="button" aria-haspopup="true" aria-expanded="false">Dropdown <span class="caret"></span></a>
              <ul class="dropdown-menu">
                <li><a href="#">Action</a></li>
                <li><a href="#">Another action</a></li>
                <li><a href="#">Something else here</a></li>
                <li role="separator" class="divider"></li>
                <li><a href="#">Separated link</a></li>
                <li role="separator" class="divider"></li>
                <li><a href="#">One more separated link</a></li>
              </ul>
            </li>
          </ul>
          <form class="navbar-form navbar-left">
            <div class="form-group">
              <input type="text" class="form-control" placeholder="Search">
            </div>
            <button type="submit" class="btn btn-default">Submit</button>
          </form>
          <ul class="nav navbar-nav navbar-right">
            <li><a href="#">Link</a></li>
            <li class="dropdown">
              <a href="#" class="dropdown-toggle" data-toggle="dropdown" role="button" aria-haspopup="true" aria-expanded="false">Dropdown <span class="caret"></span></a>
              <ul class="dropdown-menu">
                <li><a href="#">Action</a></li>
                <li><a href="#">Another action</a></li>
                <li><a href="#">Something else here</a></li>
                <li role="separator" class="divider"></li>
                <li><a href="#">Separated link</a></li>
              </ul>
            </li>
          </ul>
        </div><!-- /.navbar-collapse -->
      </div><!-- /.container-fluid -->
    </nav>
    
    <span class="glyphicon glyphicon-heart my-heart"></span>
    <span class="glyphicon glyphicon-plane my-plane"></span>

    <!-- jQuery (Bootstrap 的所有 JavaScript 插件都依赖 jQuery，所以必须放在前边) -->
    <script src="./lib/jquery/jquery-3.4.1.min.js"></script>
    <!-- 加载 Bootstrap 的所有 JavaScript 插件。你也可以根据需要只加载单个插件。 -->
    <script src="./lib/bootstrap/js/bootstrap.min.js"></script>
  </body>
</html>